phobia

noun2

1. •
   An irrational, abnormal, or obsessive fear (of something).

   • I know someone with a strange phobia of ladders.
2. •
   An aversion or dislike (of something).

   • Some patients have the phobia of light, and others have the phobia of darkness. Another common aversion is that of high places. The phobiac of this type can not sit in the gallery […] — 1914